package com.atguigu.springcloud.controller;


import ch.qos.logback.core.util.TimeUtil;
import com.atguigu.springcloud.entities.CommonResult;
import com.atguigu.springcloud.entities.Payment;
import com.atguigu.springcloud.service.PaymentService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.concurrent.TimeUnit;

/**
 * @author wwjie
 * @date 2021/9/25 22:41
 */

@RestController
@Slf4j
public class PaymentController {
    @Resource
    private PaymentService paymentService;

    @Value("${server.port}")
    private String serverPort;

    //    Eureka服务发现Discovery
//    功能： 对于注册进Eureka里面的微服务，可以通过服务发现来获得该服务的信息
    @Resource
    private DiscoveryClient discoveryClient;

    //只传给前端CommonResult,不需要了解前端其他的组件
    @PostMapping(value="/payment/create")
    //    可以看到数据库只插入主键，并没有插入内容，要在8001的PaymentController加 @RequestBody
    public CommonResult create(@RequestBody Payment payment) {
        int result = paymentService.create(payment);
        log.info("*******插入结果："+result);
        if (result>0){
            return new CommonResult(200,"插入数据成功,serverPort:"+serverPort,result);
        }else{
            return new CommonResult(444,"插入数据失败",null);
        }
    }
    @GetMapping(value = "/payment/get/{id}")
    public CommonResult getPaymentById(@PathVariable("id")Long id){
        Payment payment = paymentService.getPaymentById(id);
        log.info("**********插入结果"+payment);
        if (payment!=null){
            return new CommonResult(200,"查询成功,serverPort:"+serverPort,payment);
        }else{
            return new CommonResult(444,"没有对应记录，查询ID"+id,null);
        }
    }
    //    Eureka服务发现Discovery
    @GetMapping(value = "/payment/discovery")
    public Object discovery(){
        List<String> services = discoveryClient.getServices();//得到所有的微服务
        for (String element : services) {
            log.info("************element:"+element);
        }
        List<ServiceInstance> instances = discoveryClient.getInstances("CLOUD-PAYMENT_SERVICE");
        for (ServiceInstance instance : instances) {
            log.info(instance.getServiceId()+"\t"+instance.getHost()+"\t"+instance.getPort()+"\t"+instance.getUri());
        }
        return this.discoveryClient;
    }

    @GetMapping(value = "/payment/lb")
    public String getPaymentLB(){
        return serverPort;
    }

    @GetMapping(value = "/payment/feign/timeout")
    public String paymentFeignTimeout(){
        //暂停几秒钟线程
        try {
            TimeUnit.SECONDS.sleep(3);
        }catch (InterruptedException e){
            e.printStackTrace();
        }
        return serverPort;
    }


}
